Is CVE-2015-0537 in the CISA KEV catalog?

No. CVE-2015-0537 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-0537?

CVE-2015-0537 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2015-0537?

CVE-2015-0537 has an EPSS score of 2.64% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-0537?

Upgrade bsafe to 4.1.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2015-0537

CRITICALEPSS 84th pctl

9.8

CVSS v3

NVD

Description

Integer underflow in the base64-decoding implementation in EMC RSA BSAFE Micro Edition Suite (MES) 4.0.x before 4.0.8 and 4.1.x before 4.1.3, RSA BSAFE Crypto-C Micro Edition (Crypto-C ME) before 4.0.4 and 4.1, and RSA BSAFE SSL-C 2.8.9 and earlier allows remote attackers to cause a denial of service (memory corruption or segmentation fault) or possibly have unspecified other impact via crafted base64 data, a similar issue to CVE-2015-0292.

CWE-191

How to fix

Remediation Available

bsafeNVD

Affected:>= 4.1.0, < 4.1.3Fixed in:4.1.3CVE-2015-0537derived from NVD

bsafe crypto-cNVD

Affected:< 4.0.4Fixed in:4.0.4CVE-2015-0537derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.64%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Third-Party Advisory3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.